Foot Pedal Pcb Drill Press
a very useful pcb driil press with foot pedali use 3 555 timers to adjust up,down and drill speed Pcb Layout & Connection Diagram i use expesspcb, its a free and easy program to make pcb'sthe mosfets are from an old PC motherboard Build the Press Drill i use items from old printers. you can us...By: andreash79
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